22 lines
580 B
Rust
22 lines
580 B
Rust
use snafu::{OptionExt as _, ResultExt as _, Snafu};
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use std::num::ParseIntError;
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pub type Microsecond = u32;
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#[derive(Debug, Snafu)]
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pub enum TakeError {
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/// microseconds are supposed to be followed by -
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Malformed,
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/// could not parse the microsecond as an integer
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ParseIntegerError { source: ParseIntError },
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}
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pub fn take(path: &str) -> Result<(Microsecond, &str), TakeError> {
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let (microsecond, rest) = path.split_once('-').context(MalformedSnafu)?;
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let microsecond = microsecond.parse().context(ParseIntegerSnafu)?;
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Ok((microsecond, rest))
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}
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